Air Filter Cross Reference Napa

cross reference
A cross-reference (noun) is an instance within a document which refers to related or synonymous information elsewhere, usually within the same work. To cross-reference or to cross-refer (verb) is to make such connections.
(Cross-Referenced) Course content is the same as another course, e.g. HIST 7 and PHIL 23.
a reference at one place in a work to information at another place in the same work
Provide with cross references to another text or part of a text

air filter
A particulate air filter is a device composed of fibrous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air.
a filter that removes dust from the air that passes through it
A device for filtering particles of dust, soot, etc., from the air passing through it, esp. one protecting the air inlet of an internal combustion engine
(air filters) Adhesive filters made of metal or various fibers that are coated with an adhesive liquid to which particles of lint and dust adhere. These filters will remove as much as 90% of the dirt if they do not become clogged. The more common filters are of the throwaway or disposable type.

napa
A commercial city in north central California, hub of the wine-making Napa Valley; pop. 61,842
Napa Valley AVA is an American Viticultural Area located in Napa County, California, USA. Napa Valley is considered one of the top wine regions in the United States and one of only nine Great Wine Capitals on earth, with a history dating back to the nineteenth century.
Napa is the county seat of Napa County, California. It is the principal city of the Napa county Metropolitan Statistical Area, which encompasses Napa county. As of the 2000 census, the city had a total population of 72,585. The area was settled in the 1830s. It was incorporated as a city in 1872.
Chinese cabbage: plant with an elongated head of broad stalked leaves resembling celery; used as a vegetable in east Asia